.btn-user{
    background-image: url("../img/index/user-sel.png") !important;
}
.btn-primary{
    background-image: url("../img/index/setting.gif") !important;
}
.btn-loginout{
    background-image: url("../img/index/loginout.png") !important;
}
.btn-modify-pwd{
    background-image: url("../img/index/password.gif") !important;
}